Compilare: user.cpp: In function ‘void copiaza(int, int)’: user.cpp:23:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<c[p].t[j].size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:57:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(c[u].t[d].size()==n) ^ user.cpp:61:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(c[p].poz!=3&&c[p].t[1].size()>0) ^ user.cpp:82:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(c[p].poz!=5&&c[p].t[1].size()>0) ^ user.cpp:103:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(c[p].poz!=1&&c[p].t[2].size()>0) ^ user.cpp:124:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(c[p].poz!=6&&c[p].t[2].size()>0) ^ user.cpp:145:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(c[p].poz!=2&&c[p].t[3].size()>0) ^ user.cpp:166:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(c[p].poz!=4&&c[p].t[3].size()>0) ^